| Champions League 1955/1956 - Appearances as Referee |  |
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| 14/09/1955 | Rot-Weiss Essen | - | Hibernian FC | 0:4 | - | - | - |
| 19/10/1955 | RSC Anderlecht | - | Budapesti Vörös Lobogó | 1:4 | - | - | - |
| Champions League 1955/1956 - Appearances as Referee | |
|
|
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| 14/09/1955 | Rot-Weiss Essen | - | Hibernian FC | 0:4 | - | - | - |
| 19/10/1955 | RSC Anderlecht | - | Budapesti Vörös Lobogó | 1:4 | - | - | - |
| Complete name: | Johann Bronkhorst |
| Born: | 03/03/1914 † 06/01/1986 |
| Place of birth: |
Hiesfeld, 
Germany |
| Residence: | Velp |
| Nationality: |
Netherlands |